//
//  SinaVisitorView.swift
//  SinaWeiBo
//
//  Created by 王忠楠 on 16/9/20.
//  Copyright © 2016年 wangzn. All rights reserved.
//

import UIKit

//定义代理协议
protocol SinaVisitorViewDelegate:NSObjectProtocol{
    func didSelectedLogin()
}

//访客试图
class SinaVisitorView: UIView {

    //需要传入执行的闭包
    var loginClosure:(() -> ())?
    
    //定义代理对象
    weak var delegate: SinaVisitorViewDelegate?
    
    
    
    //懒加载控件
    
    //旋转试图
    private lazy var cycleImageView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    
    //罩层
    private lazy var maskImageView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    //主页
    private lazy var iconImageView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    
    //未登录信息视图
    private lazy var messageLabel:UILabel = {
        let label = UILabel()
        label.text = "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜"
        label.font = UIFont.systemFont(ofSize: 13)
        label.textColor = UIColor.darkGray
        //居中
        label.textAlignment = .center
        
        //多行显示
        label.numberOfLines = 0
        return label
        
        
        
    }()
    
    //登录按钮
    private lazy var loginButton: UIButton = {
        
        let button = UIButton()
        //添加点击事件
        button.addTarget(self, action: #selector(loginAction), for: .touchUpInside)
        button.setTitle("登录", for: .normal)
        button.setTitleColor(UIColor.darkGray, for: .normal)
        button.setTitleColor(UIColor.orange, for: .highlighted)
        button.titleLabel?.font = UIFont.systemFont(ofSize: 14)
        button.setBackgroundImage(UIImage(named:
        "common_button_white_disable"), for: .normal)
        //去掉点击的高亮效果
        button.adjustsImageWhenHighlighted = false
        return button
        
    }()
    
    //注册按钮
    private lazy var registerButton: UIButton = {
        
        let button = UIButton()
        //添加点击事件
        button.addTarget(self, action: #selector(loginAction), for: .touchUpInside)
        button.setTitle("注册", for: .normal)
        button.setTitleColor(UIColor.darkGray, for: .normal)
        button.setTitleColor(UIColor.orange, for: .highlighted)
        button.titleLabel?.font = UIFont.systemFont(ofSize: 14)
    button.setBackgroundImage(UIImage(named:"common_button_white_disable"), for: .normal)
        button.adjustsImageWhenHighlighted = false
        return button
        
        
    }()
    
    override init(frame:CGRect){
        super.init(frame: frame)
        setupUI()
    }
    
    required init?(coder aDecoder:NSCoder){
        fatalError("init(coder:) has not been implemented")
    }
    
    private func setupUI(){
        //设置背景色
        backgroundColor = UIColor(white: 237/255, alpha: 1)
        //添加控件
        addSubview(cycleImageView)
        addSubview(maskImageView)
        addSubview(iconImageView)
        addSubview(messageLabel)
        addSubview(loginButton)
        addSubview(registerButton)
        
        
       //设置约束
        cycleImageView.snp_makeConstraints { (make) in
            
            make.center.equalTo(self)
        }
        
        maskImageView.snp_makeConstraints { (make) in
            
            make.center.equalTo(cycleImageView)
        }
        
        iconImageView.snp_makeConstraints { (make) in
            
            make.center.equalTo(cycleImageView)
        }
        messageLabel.snp_makeConstraints { (make) in
            make.centerX.equalTo(cycleImageView)
            make.top.equalTo(cycleImageView.snp_bottom)
            make.width.equalTo(224)
            
        }
        loginButton.snp_makeConstraints { (make) in
            make.leading.equalTo(messageLabel.snp_leading)
            make.top.equalTo(messageLabel.snp_bottom).offset(10)
            make.size.equalTo(CGSize(width: 100, height: 35))
            
        }
        
        registerButton.snp_makeConstraints { (make) in
            make.trailing.equalTo(messageLabel.snp_trailing)
            make.top.equalTo(loginButton)
            make.size.equalTo(loginButton)
        }
        
    }
    
//修饰访客试图信息
    func updateVisitorInfo(message: String?,imageName: String?){
        
        if let msg = message, let imgName = imageName {
           
            messageLabel.text = msg
            iconImageView.image = UIImage(named: imgName)
            
            cycleImageView.isHidden = true
            
            
        }else{
            
            //代码执行到此,表示首页
            //执行旋转动画
            
            startAnimation()
            
        }
        
        
        
        
    }
    
    //开启动画
    private func startAnimation(){
        
        //创建核心动画对象
        let animation = CABasicAnimation(keyPath: "transform.rotation")
        
        //执行到的目的地
        animation.toValue = 2 * M_PI
        
        //动画执行的时长
        animation.duration = 20
        
        //动画执行的次数
        animation.repeatCount = MAXFLOAT
        
        //失去焦点让其不释放
        animation.isRemovedOnCompletion = false
        
        
        cycleImageView.layer.add(animation,forKey: nil)
        
        
        
    }
    
    //点击事件
    @objc private func loginAction() {
        
        print("我是访客试图点击的操作")
        //执行闭包
        loginClosure?()
        
        //通过代理对象执行代理方法
        delegate?.didSelectedLogin()
        
        
    }
    
    
}
